Possible BGP hijack

Beginning at 2021-09-29 17:19:50 UTC, we detected a possible BGP hijack.

Prefix 212.26.18.0/24, is normally announced by AS8895 ISU Internet Services Unit ISU, SA.

But beginning at 2021-09-29 17:19:50, the same prefix (212.26.18.0/24) was also announced by ASN 203.

This was detected by 53 BGPMon peers.

Expected
Start time: 2021-09-29 17:19:50 UTC
Expected prefix: 212.26.18.0/24
Expected ASN: 8895 (ISU Internet Services Unit ISU, SA)
Event Details
Detected advertisement: 212.26.18.0/24
Detected Origin ASN 203 (CENTURYLINK-LEGACY-LVLT-203, US)
Detected AS Path 37989 56300 132132 2914 3356 203
Detected by number of BGPMon peers: 53

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